<template>
  <div class="login_bg">
    <div class="box">
      <h2>login</h2>
      <el-form :model="ruleForm" ref="loginForm" :rules="rules" class="login-form">
        <el-form-item prop="username" class="inputBox">
          <el-input v-model="ruleForm.username" prefix-icon="el-icon-user-solid"></el-input>
        </el-form-item>
        <el-form-item prop="password" class="inputBox">
          <el-input type="password" v-model="ruleForm.password" prefix-icon="el-icon-lock"></el-input>
        </el-form-item>
        <el-form-item class="inputBox" >
          <el-button type="primary" @click="submitForm">Submit</el-button>
          <el-button type="info" @click="resetForm">resetting</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data () {
    return {
      ruleForm: {
        username: 'admin',
        password: '123456'
      },
      rules: {
        username: [{
          required: true,
          message: '请输入用户名',
          trigger: 'blur'
        }, {
          min: 3,
          max: 10,
          message: '登录名长度在 3 到 10 个字符',
          trigger: 'blur'
        }],
        password: [{
          required: true,
          message: '请输入密码',
          trigger: 'blur'
        }, {
          min: 6,
          max: 15,
          message: '密码长度在 6 到 15 个字符',
          trigger: 'blur'
        }]
      }
    }
  },
  methods: {
    submitForm () {
      this.$refs.loginForm.validate(async valid => {
        if (!valid) {
          return
        }
        const {
          data: res
        } = await this.$http.post('http://kb.dekunlu.top/api/private/v1/login', this.ruleForm)
        if (res.meta.status !== 200) {
          return this.$message.error('用户名或密码错误')
        }
        this.$message.success('登录成功')
        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/index')
      })
    },
    resetForm () {
      this.$refs.loginForm.resetFields()
    }

  }
}
</script>

<style lang="less" scoped>
.login_bg {
  position: relative;
  width: 100%;
  height: 100%;
  // background: url('../assets/img/bg.png') no-repeat;
   background-color: #565c68;
  background-size: cover;
  margin: 0 auto;
}
body {
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  // background: url('../assets/img/bg.png');
  background-size: cover;
}

.box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  padding: 40px;
  //background: rgba(0, 0, 0, .8);
  box-sizing: border-box;
  box-shadow: 0 15px 25px rgba(0, 0, 0, .9);
  border-radius: 10px;
}

.box h2 {
  margin: 0 0 30px;
  padding: 0;
  color: #fff;
  text-align: center;
}

.box .inputBox {
  position: relative;
}

.box .inputBox input {
  width: 100%;
  padding: 10px 0;
  font-size: 16px;
  color: #fff;
  letter-spacing: 1px;
  margin-bottom: 30px;
  border: none;
  border-bottom: 1px solid #fff;
  outline: none;
  background: transparent;
}

.box .inputBox label {
  position: absolute;
  top: 0;
  left: 0;
  padding: 10px 0;
  letter-spacing: 1px;
  font-size: 16px;
  color: #fff;
  pointer-events: none;
  transition: .5s;
}

.box .inputBox input:focus ~ label,
.box .inputBox input:valid ~ label {
  top: -18px;
  left: 0;
  color: #03a9f4;
  font-size: 12px;
}

.box input[type="submit"] {
  background: transparent;

  border: none;
  outline: none;
  color: #fff;
  background: #03a9f4;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 5px;
}
</style>
